Flora of North America species comparison

short, erect or spreading, branched or unbranched.

ascending or erect, branched.

cauline, crowded near base;

stipules well developed;

petiole 2–8 cm;

leaflets 7–9, blades 10–20 × 5–8 mm, adaxial surface glabrous.

cauline, often crowded near base;

petiole 1–6 cm;

leaflets 5 or 6, blades 10–25 × 4–15 mm, adaxial surface glabrate.

elongate, dense, several–many-flowered, 2–12 cm, usually exceeding leaves;

flowers spirally arranged.

6–12 cm;

flowers crowded or spaced, spirally arranged, crowded on young growth.

3–5(–10 in fruit) cm;

bracts persistent, straight, 2–3 mm.

3–8 cm;

bracts deciduous, 2.5–3 mm.

1–3 mm.

3–7 mm.

7–10 mm;

calyx abaxial lobe shallowly cleft, 4–5 mm, adaxial lobe deeply cleft, 1–3 mm, less than 1/2 as long as abaxial;

corolla bright blue, banner spot yellow, keel blunt, glabrous.

9–12 mm;

calyx 5–6 mm, abaxial lobe 3-lobed, 3–4 mm, adaxial lobe cleft, 2–2.5 mm, hairs becoming yellowish gray or brown on dried material;

corolla pale blue-violet, banner spot white, keel glabrous, wings inflated.

not obviously undulate, ovoid, often secund, 0.5–1 cm, adaxial margin not constricted between seeds, thinly pilose to coarsely hirsute.

2.5–3.5 cm, yellowish gray- or brown-villous.

persistent, disclike, sessile.

usually persistent, petiolate.

2–4, ridged.

4 or 5.

= 36.